163 lines
3.4 KiB
C++
163 lines
3.4 KiB
C++
//
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// VMime library (http://vmime.sourceforge.net)
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// Copyright (C) 2002-2005 Vincent Richard <vincent@vincent-richard.net>
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of
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// the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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#include "vmime/parameter.hpp"
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#include "vmime/parameterFactory.hpp"
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namespace vmime
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{
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parameter* parameter::clone() const
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{
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parameter* p = parameterFactory::getInstance()->create(m_name);
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p->copyFrom(*this);
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return (p);
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}
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void parameter::copyFrom(const component& other)
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{
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const parameter& param = dynamic_cast <const parameter&>(other);
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m_name = param.m_name;
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getValue().copyFrom(param.getValue());
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}
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parameter& parameter::operator=(const parameter& other)
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{
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copyFrom(other);
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return (*this);
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}
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const string& parameter::getName() const
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{
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return (m_name);
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}
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void parameter::parse(const string& buffer, const string::size_type position,
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const string::size_type end, string::size_type* newPosition)
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{
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getValue().parse(buffer, position, end, newPosition);
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setParsedBounds(position, end);
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}
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void parameter::generate(utility::outputStream& os, const string::size_type maxLineLength,
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const string::size_type curLinePos, string::size_type* newLinePos) const
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{
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string::size_type pos = curLinePos;
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if (pos + m_name.length() + 10 > maxLineLength)
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{
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os << NEW_LINE_SEQUENCE;
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pos = NEW_LINE_SEQUENCE_LENGTH;
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}
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os << m_name << "=";
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pos += m_name.length() + 1;
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generateValue(os, maxLineLength, pos, newLinePos);
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}
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void parameter::generateValue(utility::outputStream& os, const string::size_type /* maxLineLength */,
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const string::size_type curLinePos, string::size_type* newLinePos) const
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{
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std::ostringstream valueStream;
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utility::outputStreamAdapter valueStreamV(valueStream);
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// TODO: can we imagine having values that span on multiple lines?
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getValue().generate(valueStreamV, lineLengthLimits::infinite, 0, NULL);
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const string value(valueStream.str());
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std::ostringstream ss;
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string::const_iterator start = value.begin();
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bool quoted = false;
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for (string::const_iterator i = value.begin() ; i != value.end() ; ++i)
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{
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switch (*i)
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{
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// Characters that need to be quoted _and_ escaped
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case '"':
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case '\\':
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ss << string(start, i) << "\\" << *i;
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start = i + 1;
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quoted = true;
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break;
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// Other characters that need quoting
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case ' ':
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case '\t':
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case '(':
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case ')':
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case '<':
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case '>':
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case '@':
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case ',':
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case ';':
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case ':':
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case '/':
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case '[':
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case ']':
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case '?':
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case '=':
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quoted = true;
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break;
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}
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}
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if (start != value.end())
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ss << string(start, value.end());
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if (quoted)
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os << "\"" << ss.str() << "\"";
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else
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os << ss.str();
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if (newLinePos)
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*newLinePos = curLinePos + ss.str().length() + 2;
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}
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const std::vector <const component*> parameter::getChildComponents() const
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{
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std::vector <const component*> list;
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list.push_back(&getValue());
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return (list);
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}
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} // vmime
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